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Sharp AR5320
Error Codes List page 6
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- Code: U2-40
- Description: CRUM chip communication error
An error occurs during communication between the MCU and the CRUM chip.
- Causes: CRUM chip abnormality Developing unit disconnection MCU PWB abnormality
- Remedy: Replace the chip. Check installation of the developing unit. Use SIM 16 to cancel the trouble. Replace the MCU PWB.